Cal-Comp Electronics, Inc.
Cal-Comp was established in April 1973 in Taiwan and started manufacturing and marketing calculators as early as in 1974 under the Compex brand.
Cal-Comp Electronics (Thailand) was established 1989 by Kinpo Electronics, Inc. for OEM-production of electronic goods. Main customers are Canon, Sharp and Texas Instruments. Cal-Comp manufactured between 1989 and about 1998 most LC-calculators in the TI-line.
Source : Joerg Woerner, Datamath Calculator Museum